package com.sky.mapper;


import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    List<ShoppingCart> list(ShoppingCart shoppingCart);


    /**
     * 插入购物车数据
     * @return
     * @Param
      */
    @Insert("insert into sky_take_out.shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor,number ,amount, create_time,image) " +
            "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime},#{image});")
    void insert(ShoppingCart shoppingCart);


    /**
     * 修改数量
     * @return
     * @Param
      */
    @Update("update sky_take_out.shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cart);
    /**
     * 清空购物车
     * @return
     * @Param
      */
    @Delete("delete from sky_take_out.shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 根据id删除购物车数据
     * @param id
     */
    @Delete("delete from sky_take_out.shopping_cart where id = #{id}")
    void deleteById(Long id);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
